/*
 * Copyright 2011 Stefan Ferstl
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.code.debmavenplugin.archiver;

import java.io.File;
import java.util.Collections;
import java.util.Set;
import java.util.TreeSet;

import com.google.code.debmavenplugin.archiver.AbstractCollectingFileFilter;
import com.google.code.debmavenplugin.archiver.ArchiveMetaData;

/**
   * A collecting file filter that just returns the collected files.
   */
  class FileCollectingFileFilter extends AbstractCollectingFileFilter<File> {

    private Set<File> files;

    /**
     * @param metaData
     * @param useRelativePaths
     */
    public FileCollectingFileFilter(ArchiveMetaData metaData, boolean useRelativePaths) {
      super(metaData, useRelativePaths);
      this.files = new TreeSet<File>();
    }


    /** {@inheritDoc} */
    @Override
    protected void collectFile(File file) {
      if (!getMetaData().isExcluded(file)) {
        this.files.add(file);
      }
    }

    /** {@inheritDoc} */
    @Override
    public Set<File> getCollectedFiles() {
      return Collections.unmodifiableSet(this.files);
    }
  }